Black Caviar makes winning return in Melbourne

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Wonder horse Black Caviar returns to action after injury layoff

Undefeated mare wins by two-and-a-half-lengths to record 23rd victory

Undefeated wonder horse Black Caviar maintained her perfect record with a convincing win on Saturday in a race named after her -- the Black Caviar Lightening Stakes at Flemington Racecourse in Melbourne.

The six-year-old superstar, who has now won all 23 of her races, had been on the brink of retirement after sustaining muscle damage during a narrow victory in the Diamond Jubilee Stakes at Royal Ascot last June.